Polyesteramine Collectors With Lower Toxicity and Better Biodegradability
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Solution Overview
Problem
There is a need for novel cationic oligomeric or polymeric compounds with improved stability, reduced toxicity, better biodegradability, and enhanced technical performance, which are also easier to prepare and less expensive, for applications such as surfactants, corrosion inhibitors, and biocides, as existing fatty alkylamines and quaternary ammonium compounds have limitations in these areas.
Innovation Solution
The development of compounds obtained through esterification condensation between alkoxylated fatty amines, dicarboxylic acids, and (alkyl)alkanolamine derivatives, followed by potential quaternization, to create polyesteramine or polyesterquat structures with specific molecular formulas, which offer improved properties and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional fatty alkylamines and quaternary ammonium compounds are used, then good adsorption properties and surface activity are achieved, but toxicity is high and biodegradability is poor
Solution Approach 1:
The invention changes the chemical structure parameters by introducing polyether chains with specific oxygen atoms that enhance biodegradability while maintaining surfactant properties. The molecular weight and chain composition are optimized to reduce toxicity compared to conventional fatty alkylamines
Solution Approach 2:
The compounds combine fatty amine chains with polyether chains to create composite molecular structures that integrate the beneficial adsorption properties of conventional surfactants with improved environmental compatibility and biodegradability
2Reliability
If polymeric or oligomeric structures are adopted, then molecular weight increases and performance improves, but synthesis complexity and cost increase
Solution Approach 1:
The polymeric structure is segmented into repeating units defined by parameters m and n, allowing systematic control of molecular weight and properties while maintaining a manageable synthesis approach through controlled polymerization of defined monomeric units
Solution Approach 2:
The invention uses adjustable parameters (m, n, R1, R4) to control the degree of polymerization and chain composition, enabling optimization of technical performance while keeping the synthesis pathway systematic and scalable
3Object-affected harmful factors
If existing compounds are used, then immediate availability is ensured, but environmental properties and biodegradability are insufficient
Solution Approach 1:
The chemical structure parameters are specifically modified by incorporating polyether chains with controlled lengths and compositions, which improve environmental properties while the synthesis remains feasible through established polymerization and quaternization methodologies
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
These compounds demonstrate enhanced stability, reduced toxicity, improved biodegradability, and superior technical performance, making them suitable for various industrial applications including surfactants, corrosion inhibitors, and biocidal agents, while being more cost-effective and easier to synthesize.
Implementation Method 1
compounds which may be obtained by esterification condensation of: A/ an alkoxylated fatty amine... B/ with a dicarboxylic acid... C/ with an (alkyl)alkanolamine derivative
Implementation Method 2
the product of partial or total quaternization of said alkoxylated fatty amine... followed by potential quaternization
Data Source
AI summary
Provided is a compound which may be obtained by esterification condensation of components as described herein. The compound may be used as a collector for ore enrichment (flotation), as a corrosion inhibitor, as a viscosity enhancer, emulsifier or stabilizer that is useful for the oil and gas industry, as a clay modifier, as an adhesion promoter, as an antiagglomerant additive, as an additive in haircare products, as a fabric softener, as an antistatic agent in polymers, as a bitumen emulsion additive, as a detergency cationic agent, as a fertilizer additive, as an antiagglomerant for hydrates, as a lubrication or adhesion-promoting additive, for example.